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Chapter 3: Q. 190 (page 352)

Hector spent \(33.20at the post office. He bought four times as many role="math" localid="1647145644364" \)0.41stamps as $0.02stamps. How many of each did he buy?

Short Answer

Expert verified

First stamp with cost 0.41$is 80and second stamp with cost 0.02$is20

Step by step solution

01

Step 1. Given information

Hector spent 33.20$at the post office. He bought four times as many stamps as 0.02$stamps.

02

Step 2. Let the number of stamps be x,

Now, 4times as many as 0.41$stamp becomes 0.41x

and role="math" localid="1647145841238" 0.02$becomes0.02x

03

Step 3. Making equation and solving it we get

(0.41)4x+0.02x=33.201.64x+0.02x=33.201.66x=33.20x=20

Hence no. of stamp of cost 0.41$is 4脳20=80

no. of stamps of cost0.02$is20

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